Skip to content

Effect of Trendelenburg Position at Different Angles on Cerebral Blood Flow and Postoperative Cognitive Function in Patients Undergoing Laparoscopic Radical Resection of Colorectal Cancer

Effect of Trendelenburg Position at Different Angles on Cerebral Blood Flow and Postoperative Cognitive Function in Patients Undergoing Laparoscopic Radical Resection of Colorectal Cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600122998
Enrollment
Unknown
Registered
2026-04-20
Start date
2025-08-18
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal cancer

Interventions

Group A:Maintaining the Trendelenburg position angle at >=10° and =20° and =30° and <40°

Sponsors

The First Affiliated Hospital of Fujian Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. ASA classification I-II grade; 2. Age 18 - 70 years old; 3. 18 <= BMI < 28 kg/m²; 4. Scheduled for elective laparoscopic radical resection of colorectal cancer; 5. Signed informed consent form.

Exclusion criteria

Exclusion criteria: 1. Suffering from severe stenosis, deformity or atherosclerotic plaque formation of the internal carotid artery and vertebral artery, etc. related vascular diseases; 2. Affected by mental disorders such as communication dysfunction or cognitive dysfunction; 3. Affected by uncontrolled hypertension or diabetes; 4. Affected by acute or chronic diseases of organs such as the brain, heart, lungs, liver and kidneys; 5. Preoperative VAS score > 2 points; 6. Allergic to the components of anesthetic drugs; 7. Having a history of alcohol abuse or abuse of sedative-hypnotic drugs and analgesics; 8. Refusing to participate in the study

Design outcomes

Primary

MeasureTime frame
Cerebral blood flow;Cerebral regional oxygen saturation;Oxygen saturation of jugular bulb blood;

Secondary

MeasureTime frame
Score of Mini-mental state examination;Heart rate;Mean arterial pressure;Cardiac output;Oxyhemoglobin saturation;

Countries

China

Contacts

Public ContactJianqing Lin

The First Affiliated Hospital of Fujian Medical University

linjianqing72@fjmu.edu.cn+86 138 5014 3313

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 1, 2026